Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD3X callsign genealogy
Currently held by Leitch, Barry
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KD3X's current licensee, walking backwards.
- Leitch, Barry SPAgranted 1993-01-05cancelled 2002-03-28
- KA3WGLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD3X.
- COX, TIMOTHY RMNgranted 2019-10-08
All historical holders
Every license row we've seen with the callsign KD3X, oldest first.
- COX, TIMOTHY R MN1998-05-01 → cancelled 1999-12-24
- Leitch, Barry PA2022-03-03 active